Thu, 26 Aug 1999 11:34:17 +0200 paulson more Join rules including AC-rules
Thu, 26 Aug 1999 11:33:24 +0200 paulson extra syntax for JN, making it more like UN
Thu, 26 Aug 1999 11:32:39 +0200 paulson a little tidying; also FIXED BAD TYPE in INTER1, UNION1
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip